It has been an ongoing debate in my office among managers that there should be a comma used after a statement of time.


At 1135 Hrs., (Subject) Was observed doing something that he shouldn't have.

It is this comma after the abbreviated hours we are having a debate over. Is it proper to put it there or is it not needed in this instance. Thank you for any help and advice you can give.


  • 1
    Do you work in a police station? – Michael Harvey Dec 13 '18 at 16:51
  • LOL, i was expecting that question, but no, I do not. – Steven Peters Dec 13 '18 at 19:15

I would say a comma is required, since one could view "At 11:35" as a dependent clause. This would be apparent by rephrasing the sentence:

(Subject) was observed doing something that he shouldn't have (at 11:35).

A dependent clause preceding an independent clause must be separated by a comma (see rule 4a, grammarbook.com).

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